Soft washing is low-pressure cleaning that does the work with a solution instead of force. Around 100 PSI, about garden-hose pressure, paired with a cleaner that kills algae, mildew, and mold at the root. The chemistry cleans. The water just rinses.
That is the opposite of pressure washing, which uses 2,000 to 4,000 PSI to physically blast grime off a hard surface. Both are useful. Using the wrong one is how surfaces get wrecked.
When you need soft washing
Reach for soft washing on anything porous, painted, delicate, or growing something:
Roofs. Tile and shingle both. Pressure strips granules and cracks tile. Soft washing kills the black streaks without touching the surface.
Stucco and painted walls. Porous and easy to damage. Soft washing lifts the algae without forcing water into the wall.
Screen enclosures, soffits, vinyl, and wood. All too soft for pressure. Wood in particular furs and splinters under a pressure washer.
Natural stone. Travertine and coral stone etch permanently under aggressive pressure.
When pressure washing is the right call instead
Hard, solid, non-porous surfaces that can take the force and need it to shift embedded grime: concrete driveways, sidewalks, paver patios, and block walls. A surface cleaner on concrete leaves an even finish that a soft wash could not achieve.
Why most Miami homes need both
A typical South Florida property is a mix. Pressure washing on the driveway and walkway, soft washing on the roof, stucco, and screen enclosure, all in the same visit. That is how we quote by surface rather than running one setting across the whole house. If you want the full comparison, we broke it down in soft wash vs pressure wash.
Common Questions
What is the difference between soft washing and pressure washing?
Pressure washing cleans with force, around 2,000 to 4,000 PSI, and suits hard surfaces like concrete. Soft washing cleans with a solution at about 100 PSI and suits roofs, stucco, paint, screens, and wood. Force removes dirt, chemistry kills growth.
Which surfaces need soft washing?
Anything porous, painted, delicate, or alive with growth: roofs, stucco, painted siding, vinyl, screen enclosures, wood fences, and natural stone. Hard, solid surfaces like concrete driveways take pressure instead.
Does soft washing last longer?
Yes. Because it kills the organism rather than removing its surface layer, results last considerably longer than a pressure wash, which leaves rooted growth in the pores to return within months.